UBUNTU-CVE-2026-118598 (CVE-2026-118598)

Vulnerability from osv_ubuntu – Published: 2026-11-03 00:00 – Updated: 2026-11-03 00:00 – Source website
VLAI
Details

A logic error in Epiphany's site permission handling can cause camera and microphone access to be granted when the user only approves a different permission. In src/ephy-window.c, set_permission() stores the user's Allow/Deny choice after a WebKit permission dialog. Types CLIPBOARD and WEBSITE_DATA_ACCESS are not stored by ephy_permission_is_stored_by_permissions_manager(), so control fell into an else-if that was written as: } else if (EPHY_PERMISSION_TYPE_ACCESS_WEBCAM_AND_MICROPHONE) { Because that expression is a non-zero enum constant, the branch always ran for those types and wrote EPHY_PERMISSION_PERMIT for both ACCESS_WEBCAM and ACCESS_MICROPHONE for the site origin. The user only saw a Clipboard or Website Data Access dialog. A malicious site that obtains approval for clipboard or third-party storage access can afterwards use getUserMedia without a further camera/microphone prompt, exposing audiovisual confidentiality. Requirements: the victim must visit a malicious page and click Allow on a clipboard or website-data-access prompt. Affected: Epiphany >= 45.0 (bug present at least through 51.x). Fixed: https://gitlab.gnome.org/GNOME/epiphany/-/merge_requests/2249 (commit 480c3648). Upstream: https://gitlab.gnome.org/GNOME/epiphany/-/work_items/2976 Reporter acknowledgment: Fernando Munoz

Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "epiphany-browser",
            "binary_version": "3.18.11-0ubuntu1"
          },
          {
            "binary_name": "epiphany-browser-data",
            "binary_version": "3.18.11-0ubuntu1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "epiphany-browser",
        "purl": "pkg:deb/ubuntu/epiphany-browser@3.18.11-0ubuntu1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.16.3-1ubuntu1",
        "3.18.0-1ubuntu2",
        "3.18.1-1ubuntu1",
        "3.18.3-0ubuntu1",
        "3.18.5-0ubuntu1",
        "3.18.5-0ubuntu1.1",
        "3.18.10-0ubuntu1",
        "3.18.11-0ubuntu1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "epiphany-browser",
            "binary_version": "3.28.6-0ubuntu1"
          },
          {
            "binary_name": "epiphany-browser-data",
            "binary_version": "3.28.6-0ubuntu1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "epiphany-browser",
        "purl": "pkg:deb/ubuntu/epiphany-browser@3.28.6-0ubuntu1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.26.1-1ubuntu1",
        "3.26.1-1ubuntu2",
        "3.26.1-1ubuntu4",
        "3.26.5.1-1ubuntu1",
        "3.27.90-1ubuntu1",
        "3.28.0.1-1ubuntu1",
        "3.28.1-1ubuntu1",
        "3.28.5-0ubuntu1",
        "3.28.6-0ubuntu1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "epiphany-browser",
            "binary_version": "3.36.4-0ubuntu2"
          },
          {
            "binary_name": "epiphany-browser-data",
            "binary_version": "3.36.4-0ubuntu2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "epiphany-browser",
        "purl": "pkg:deb/ubuntu/epiphany-browser@3.36.4-0ubuntu2?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.34.1-1",
        "3.34.1-1build1",
        "3.36.0-1",
        "3.36.1-1",
        "3.36.2-0ubuntu1",
        "3.36.3-0ubuntu1",
        "3.36.4-0ubuntu1",
        "3.36.4-0ubuntu2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "epiphany-browser",
            "binary_version": "42.4-0ubuntu1"
          },
          {
            "binary_name": "epiphany-browser-data",
            "binary_version": "42.4-0ubuntu1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "epiphany-browser",
        "purl": "pkg:deb/ubuntu/epiphany-browser@42.4-0ubuntu1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "41.0-1",
        "41.0-2",
        "41.2-1",
        "41.3-1",
        "42~beta-1",
        "42.0-1",
        "42.1-1",
        "42.1-1ubuntu1",
        "42.4-0ubuntu1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "epiphany-browser",
            "binary_version": "46.5-0ubuntu1"
          },
          {
            "binary_name": "epiphany-browser-data",
            "binary_version": "46.5-0ubuntu1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "epiphany-browser",
        "purl": "pkg:deb/ubuntu/epiphany-browser@46.5-0ubuntu1?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "45.0-1",
        "45.1-1",
        "46~alpha-1",
        "46~beta-1",
        "46.0-1",
        "46.0-2build1",
        "46.5-0ubuntu1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "epiphany-browser",
            "binary_version": "50.4-2"
          },
          {
            "binary_name": "epiphany-browser-data",
            "binary_version": "50.4-2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.10",
        "name": "epiphany-browser",
        "purl": "pkg:deb/ubuntu/epiphany-browser@50.4-2?arch=source\u0026distro=stonking"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "49.2-3ubuntu1",
        "50.4-1",
        "50.4-2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "epiphany-browser",
            "binary_version": "49.2-3ubuntu1"
          },
          {
            "binary_name": "epiphany-browser-data",
            "binary_version": "49.2-3ubuntu1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "epiphany-browser",
        "purl": "pkg:deb/ubuntu/epiphany-browser@49.2-3ubuntu1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "48.5-3",
        "49.1-1",
        "49.2-1",
        "49.2-2",
        "49.2-3",
        "49.2-3ubuntu1"
      ]
    }
  ],
  "aliases": [],
  "details": "A logic error in Epiphany\u0027s site permission handling can cause camera and microphone access to be granted when the user only approves a different permission. In src/ephy-window.c, set_permission() stores the user\u0027s Allow/Deny choice after a WebKit permission dialog. Types CLIPBOARD and WEBSITE_DATA_ACCESS are not stored by ephy_permission_is_stored_by_permissions_manager(), so control fell into an else-if that was written as:   } else if (EPHY_PERMISSION_TYPE_ACCESS_WEBCAM_AND_MICROPHONE) { Because that expression is a non-zero enum constant, the branch always ran for those types and wrote EPHY_PERMISSION_PERMIT for both ACCESS_WEBCAM and ACCESS_MICROPHONE for the site origin. The user only saw a Clipboard or Website Data Access dialog. A malicious site that obtains approval for clipboard or third-party storage access can afterwards use getUserMedia without a further camera/microphone prompt, exposing audiovisual confidentiality. Requirements: the victim must visit a malicious page and click Allow on a clipboard or website-data-access prompt. Affected: Epiphany \u003e= 45.0 (bug present at least through 51.x). Fixed: https://gitlab.gnome.org/GNOME/epiphany/-/merge_requests/2249 (commit 480c3648). Upstream: https://gitlab.gnome.org/GNOME/epiphany/-/work_items/2976 Reporter acknowledgment: Fernando Munoz",
  "id": "UBUNTU-CVE-2026-118598",
  "modified": "2026-11-03T00:00:00Z",
  "published": "2026-11-03T00:00:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-118598"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-118598"
    },
    {
      "type": "REPORT",
      "url": "https://gitlab.gnome.org/GNOME/epiphany/-/work_items/2976"
    },
    {
      "type": "REPORT",
      "url": "https://gitlab.gnome.org/GNOME/epiphany/-/merge_requests/2249"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-118598"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2562956"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2026-118598"
  ]
}



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